Applied Science

1234567891011121314151617181920
Across
  1. 3. particles are far apart
  2. 7. change that alters the composition
  3. 9. anything that has mass and occupies space
  4. 12. noble gas
  5. 13. pH below 7
  6. 15. tin(II) oxide
  7. 16. chlorine, fluorine, iodine, bromine
  8. 17. amount of reactants and products
  9. 18. homogeneous mixture
  10. 20. sodium+hydroxide
Down
  1. 1. metal and a nonmetal
  2. 2. one of the products of hydrocarbon combustion
  3. 4. tiny particles of matter
  4. 5. mass per molecular weight
  5. 6. breaking of compound into two
  6. 8. positively charged ion
  7. 10. negatively charged ion
  8. 11. pure substance
  9. 14. number of neutrons is 20
  10. 19. one of the reactants of hydrocarbon combustion